Base | Representation |
---|---|
bin | 1000001000010… |
… | …10011011010111 |
3 | 11202022221000112 |
4 | 10010022123113 |
5 | 114424401101 |
6 | 10433433235 |
7 | 1455456155 |
oct | 404123327 |
9 | 152287015 |
10 | 68200151 |
11 | 35551868 |
12 | 1aa0b81b |
13 | 1118b526 |
14 | 90b43d5 |
15 | 5ec26bb |
hex | 410a6d7 |
68200151 has 4 divisors (see below), whose sum is σ = 68254032. Its totient is φ = 68146272.
The previous prime is 68200109. The next prime is 68200157. The reversal of 68200151 is 15100286.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68200151 - 226 = 1091287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68200157) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24995 + ... + 27588.
It is an arithmetic number, because the mean of its divisors is an integer number (17063508).
Almost surely, 268200151 is an apocalyptic number.
68200151 is a deficient number, since it is larger than the sum of its proper divisors (53881).
68200151 is a wasteful number, since it uses less digits than its factorization.
68200151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53880.
The product of its (nonzero) digits is 480, while the sum is 23.
The square root of 68200151 is about 8258.3382711052. The cubic root of 68200151 is about 408.5655823118.
The spelling of 68200151 in words is "sixty-eight million, two hundred thousand, one hundred fifty-one".
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